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Finding the Fourth Proportional to 69,808, 104,690.88 and 23,073.28

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Solution

The fourth proportional to 69,808, 104,690.88 and 23,073.28 is: 34,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808 : 104,690.88 = 23,073.28 : x
  2. Step 2: Convert to fraction form
    69,808/104,690.88 = 23,073.28/x
  3. Step 3: Cross multiply
    69,808x = 104,690.88 × 23,073.28
  4. Step 4: Simplify right side
    69,808x = 2,415,561,987.69
  5. Step 5: Solve for x
    x = 2,415,561,987.69/69,808
  6. Step 6: Final answer
    x = 34,602.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.